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Relab den Haan is an independent Horticultural Consulting and Research company, operating worldwide. We focus on chemical analysis of water, soil and substrate and plant material together with plant pathology diagnosis. The laboratory is ISO 17025 accredited and works with the latest technology. We have a team of experienced consultants and because of the international character of our organization, we have an inflow of information with regard to the latest developments in the world.

Relab den Haan is a family business which is established by Aad den Haan in 1980. Aad den Haan was an advisor for vegetable growers and noticed that there was a need for water and soil analyses. He then started together with his wife a laboratory for these kinds of analyses. This company has grown to a laboratory with about 20 people staff.

The laboratory of Relab den Haan has a RVA accreditation. The company is known because of its fast service. Water samples are being analyzed the same day, peat samples will be ready the next day.

The department plant pathology offers diagnosis of sick plants and preventative research. When we receive a plant we will directly start the diagnosis to find out which pathogen causes the damage. To determine which fungi or bacteria causes the damage we use DNA techniques like the DNA-multiscan. These methods are based on identifying the DNA of the pathogen. The results are known within two days.